Mediterranean Gull vs Aleutian Tern
Larus melanocephalus в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | Mediterranean Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus melanocephalus | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 60,5 cm (23.8 in) | 52,4 cm (20.6 in) |
| Масса | 282,5 g (9.96 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | 1-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Mediterranean Gull only
Нет
Aleutian Tern only
Нет
Охранный статус
Least Concern
Mediterranean Gull
Vulnerable
Aleutian Tern
About These Birds
Mediterranean Gull
Mediterranean Gull, 36–38 cm, has expanded dramatically since the 1970s, breeding across Europe from the Black Sea to Britain. Pure white body, jet-black hood in breeding plumage — the only gull with entirely white wingtips. Piscivore and invertivore; nests in colonies, often with Black-headed Gulls.
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.